/Engine/Source/Runtime/Experimental/Chaos/Public/PBDRigidsSolver.h
const [ISpatialAccelerationCollection](API\Runtime\Engine\PhysicsEngine\ISpatialAccelerationCollection)< [FAccelerationStructureHandle](API\Runtime\Chaos\Chaos\FAccelerationStructureHandle), [FReal](API\Runtime\ChaosCore\Chaos\FReal), 3 > * GetInternalAccelerationStructure_Internal() const